multply
adding
subtracting
adding decimals
all
100

29x10

290

100

440+550

990

100

100-90

10

100

3.2+4.5

7.7

100

257x121

31,097

200

30x20

600

200

670+450

1120

200

200-160

40

200

45.5+27.9

73.4

200

234+547

781

300

50x11

100

300

670+670

1340

300

560-490

70

300

342.4+112.3

454.7

300

1265-3456

2091

400

61x21

1281

400

550+760

1310

400

890-330

560

400

356.44+125.56

481.90

400

367.238+432.694

799.932

500

60x20

1200

500

120+360

480

500

1260-760

500

500

675.123+375.312

1050.437

500

500รท200

2 r 100